98%
921
2 minutes
20
In order to quickly analyze varieties of tomato via space mutation breeding with near infrared spectra, characteristics of the pattern were analyzed by partial least square. The model was built with radial basis function neural network and regarded the compressed data as the input of neural network input vectors. The model regarded the compressed data as the input of neural network input vectors and the training process was speeded up. For one hundred and five fruit samples of CK, M1 and M2 the training model was built. Forty five samples formed the prediction set. The discrimination rate of these two models achieved 95.6% and 97.8%. It offered a new approach to the fast discrimination of varieties of tomato via space mutation breeding.
Download full-text PDF |
Source |
---|
J Agric Food Chem
September 2025
College of Food Science and Engineering, Ocean University of China, Qingdao 266404, PR China.
Sulfated fucan has attracted growing attention due to its diverse biological properties. Endo-1,3-fucanases are valuable tools for the degradation of sulfated fucan. This study characterized an endo-1,3-fucanase Fun174Sb from the GH174 family, utilizing a combination of protein crystallography, mutagenesis, computational biology, and nuclear magnetic resonance techniques.
View Article and Find Full Text PDFEnviron Mol Mutagen
September 2025
Department of Biology, University of Ottawa, Ottawa, Ontario, Canada.
Long-duration spaceflight exposes astronauts to various stressors that can alter human physiology, potentially causing immediate and long-term health effects. These stressors can damage biomolecules, cells, tissues, and organs, leading to adverse outcomes. Developing adverse outcome pathways (AOPs) relevant to radiation exposure can guide research priorities and inform risk assessments of future space exploration activities.
View Article and Find Full Text PDFZhonghua Bing Li Xue Za Zhi
September 2025
Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
To explore the clinicopathological and molecular genetic characteristics of anaplastic lymphoma kinase (ALK)-rearranged renal cell carcinoma (RCC), including a rare case with the TPM1-ALK gene subtype. Three cases of ALK-rearranged RCC diagnosed in the Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China from January 2020 to December 2024 were collected. Their clinical pathological and next-generation sequencing (NGS) data were analyzed.
View Article and Find Full Text PDFmBio
September 2025
School of Life Sciences, University of Warwick, Coventry, United Kingdom.
The FtsEX-EnvC-AmiA/B system is a key component of the cell division machinery that directs breakage of the peptidoglycan layer during separation of daughter cells. Structural and mechanistic studies have shown that ATP binding by FtsEX in the cytoplasm drives periplasmic conformational changes in EnvC, which lead to the binding and activation of peptidoglycan amidases such as AmiA and AmiB. The FtsEX-EnvC amidase system is highly regulated to prevent cell lysis with at least two separate layers of autoinhibition that must be relieved to initiate peptidoglycan hydrolysis during division.
View Article and Find Full Text PDFCell Stem Cell
September 2025
Sanford Stem Cell Institute Integrated Space Stem Cell Orbital Research (ISSCOR) Center, Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA 92037, USA. Electronic address:
Human hematopoietic stem and progenitor cell (HSPC) fitness declines following exposure to stressors that reduce survival, dormancy, telomere maintenance, and self-renewal, thereby accelerating aging. While previous National Aeronautics and Space Administration (NASA) research revealed immune dysfunction in low-earth orbit (LEO), the impact of spaceflight on human HSPC aging had not been studied. To study HSPC aging, our NASA-supported Integrated Space Stem Cell Orbital Research (ISSCOR) team developed bone marrow niche nanobioreactors with lentiviral bicistronic fluorescent, ubiquitination-based cell-cycle indicator (FUCCI2BL) reporter for real-time HSPC tracking in artificial intelligence (AI)-driven CubeLabs.
View Article and Find Full Text PDF